2 Commits

Author SHA1 Message Date
James Zern
9d0e17c9a9 fix msvc build breakage after 252028a
replace inline with WEBP_INLINE; inline is reserved for c++ code
w/visual studio

Change-Id: Ib06c6a12fd786701740d8b260d9aa310ee81fddf
2012-01-05 18:26:40 -08:00
Vikas Arora
252028aaac Add predictive filtering option for Alpha.
Add predictive filtering option for Alpha plane.
Valid range for filter option is [0, 5] corresponding to prediction
methods none, horizontal, vertical, gradient & paeth filter.
The prediction method 5 will try all the prediction methods (0 to 4)
and pick the prediction method that gives best compression.

Change-Id: I9244d4a9c5017501a9696c7cec5045f04c16d49b
2012-01-05 13:55:35 +05:30